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// Copyright 2011 GRNET S.A. All rights reserved.
2
// 
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// Redistribution and use in source and binary forms, with or
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// without modification, are permitted provided that the following
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// conditions are met:
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// 
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//   1. Redistributions of source code must retain the above
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//      copyright notice, this list of conditions and the following
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//      disclaimer.
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// 
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//   2. Redistributions in binary form must reproduce the above
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//      copyright notice, this list of conditions and the following
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//      disclaimer in the documentation and/or other materials
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//      provided with the distribution.
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// 
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// THIS SOFTWARE IS PROVIDED BY GRNET S.A. ``AS IS'' AND ANY EXPRESS
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// OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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// WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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// PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL GRNET S.A OR
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// CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
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// USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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// AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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// LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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// ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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// POSSIBILITY OF SUCH DAMAGE.
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// 
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// The views and conclusions contained in the software and
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// documentation are those of the authors and should not be
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// interpreted as representing official policies, either expressed
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// or implied, of GRNET S.A.
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// 
34

    
35
;(function(root){
36
    
37
    // root
38
    var root = root;
39
    
40
    // setup namepsaces
41
    var snf = root.synnefo = root.synnefo || {};
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    var models = snf.models = snf.models || {}
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    var storage = snf.storage = snf.storage || {};
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    var util = snf.util = snf.util || {};
45

    
46
    // shortcuts
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    var bb = root.Backbone;
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    var slice = Array.prototype.slice
49

    
50
    // logging
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    var logger = new snf.logging.logger("SNF-MODELS");
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    var debug = _.bind(logger.debug, logger);
53
    
54
    // get url helper
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    var getUrl = function(baseurl) {
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        var baseurl = baseurl || snf.config.api_urls[this.api_type];
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        var append = "/";
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        if (baseurl.split("").reverse()[0] == "/") {
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          append = "";
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        }
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        return baseurl + append + this.path;
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    }
63

    
64
    // i18n
65
    BUILDING_MESSAGES = window.BUILDING_MESSAGES || {'INIT': 'init', 'COPY': '{0}, {1}, {2}', 'FINAL': 'final'};
66

    
67
    // Base object for all our models
68
    models.Model = bb.Model.extend({
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        sync: snf.api.sync,
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        api: snf.api,
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        api_type: 'compute',
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        has_status: false,
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        auto_bind: [],
74

    
75

    
76
        initialize: function() {
77
            var self = this;
78
            
79
            this._proxy_model_cache = {};
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            _.each(this.auto_bind, function(fname) {
81
              self[fname] = _.bind(self[fname], self);
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            });
83

    
84
            if (this.has_status) {
85
                this.bind("change:status", this.handle_remove);
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                this.handle_remove();
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            }
88
            
89
            this.api_call = _.bind(this.api.call, this);
90
              
91
            if (this.proxy_attrs) {
92
              this.init_proxy_attrs();             
93
            }
94

    
95
            if (this.storage_attrs) {
96
              this.init_storage_attrs();
97
            }
98

    
99
            if (this.model_actions) {
100
              this.init_model_actions();             
101
            }
102

    
103
            models.Model.__super__.initialize.apply(this, arguments);
104

    
105
        },
106
        
107
        // Initialize model actions object
108
        // For each entry in model's model_action object register the relevant 
109
        // model proxy `can_<actionname>` attributes.
110
        init_model_actions: function() {
111
          var actions = _.keys(this.model_actions);
112
          this.set({
113
            "actions": new models._ActionsModel({}, {
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              actions: actions,
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              model: this
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            })
117
          });
118
          this.actions = this.get("actions");
119
          this.actions.bind("set-pending", function(action) {
120
            this.trigger("action:set-pending", action, this.actions, this);
121
          }, this);
122
          this.actions.bind("unset-pending", function(action) {
123
            this.trigger("action:unset-pending", action, this.actions, this);
124
          }, this);
125
          this.actions.bind("reset-pending", function() {
126
            this.trigger("action:reset-pending", this.actions, this);
127
          }, this);
128

    
129
          _.each(this.model_actions, function(params, key){
130
            var attr = 'can_' + key;
131
            if (params.length == 0) { return }
132
            var deps = params[0];
133
            var cb = _.bind(params[1], this);
134
            _.each(deps, function(dep) {
135
              this._set_proxy_attr(attr, dep, cb);
136
            }, this);
137
          }, this);
138
        },
139
        
140
        // Initialize proxy storage model attributes. These attribues allows 
141
        // us to automatically access cross collection associated objects.
142
        init_storage_attrs: function() {
143
          _.each(this.storage_attrs, function(params, attr) {
144
            var store, key, attr_name;
145
            store = synnefo.storage[params[0]];
146
            key = params[1];
147
            attr_resolver = params[2];
148
            if (!attr_resolver) {
149
              attr_resolver = function(model, attr) {
150
                return model.get(attr);
151
              }
152
            }
153
            attr_name = attr;
154
          
155
            var resolve_related_instance = function(storage, attr_name, val) {
156
              var data = {};
157

    
158
              if (!val) { 
159
                // update with undefined and return
160
                data[key] = undefined;
161
                this.set(data);
162
                return;
163
              };
164
            
165
              // retrieve related object (check if its a Model??)
166
              var obj = store.get(val);
167
              
168
              if (obj) {
169
                // set related object
170
                data[attr_name] = obj;
171
                this.set(data, {silent:true})
172
                this.trigger("change:" + attr_name, obj);
173
              } else {
174
                var self = this;
175
                var retry_to_resolve = function(store, val, key) {
176
                  var retries = 0;
177
                  var retry = window.setInterval(function(){
178
                    retries++;
179
                    if (retries > 200) {
180
                      clearInterval(retry);
181
                    }
182
                    var obj = store.get(val);
183
                    if (obj) {
184
                      data[key] = obj;
185
                      self.set(data, {silent:false});
186
                      clearInterval(retry);
187
                    }
188
                  }, 500);
189
                  return retry
190
                }
191
                retry_to_resolve(store, val, key);
192
              }
193
            }
194
            
195
            var self = this;
196
            function init_bindings(instance, store, key, attr, attr_resolver) {
197
              instance.bind('change:' + attr, function(model) {
198
                resolve_related_instance.call(model, store, key, attr_resolver(model, attr));
199
              }, this);
200

    
201
              instance.bind('add', function(model) {
202
                resolve_related_instance.call(model, store, key, attr_resolver(model, attr));
203
              }, this);
204
            }
205

    
206
            init_bindings(this, store, key, attr, attr_resolver);
207
            resolve_related_instance.call(this, store, key, attr_resolver(this, attr));
208
          }, this);
209
        },
210
        
211
        _proxy_model_cache: {},
212
        
213
        _bind_model: function(model, attr, check_attr, cb) {
214
          var proxy_cache_key = attr + '_' + check_attr;
215
          if (this._proxy_model_cache[proxy_cache_key]) {
216
            var proxy = this._proxy_model_cache[proxy_cache_key];
217
            proxy[0].unbind('change', proxy[1]);
218
          }
219
          var data = {};
220
          var changebind = _.bind(function() {
221
            data[attr] = cb.call(this, this.get(check_attr));
222
            this.set(data);
223
          }, this);
224
          model.bind('change', changebind);
225
          this._proxy_model_cache[proxy_cache_key] = [model, changebind];
226
        },
227

    
228
        _bind_attr: function(attr, check_attr, cb) {
229
          this.bind('change:' + check_attr, function() {
230
            if (this.get(check_attr) instanceof models.Model) {
231
              var model = this.get(check_attr);
232
              this._bind_model(model, attr, check_attr, cb);
233
            }
234
            var val = cb.call(this, this.get(check_attr));
235
            var data = {};
236
            if (this.get(attr) !== val) {
237
              data[attr] = val;
238
              this.set(data);
239
            }
240
          }, this);
241
        },
242

    
243
        _set_proxy_attr: function(attr, check_attr, cb) {
244
          // initial set
245
          var data = {};
246
          data[attr] = cb.call(this, this.get(check_attr));
247
          if (data[attr] !== undefined) {
248
            this.set(data, {silent:true});
249
          }
250
          if(this.get(check_attr) instanceof models.Model) {
251
            this._bind_model(this.get(check_attr), attr, check_attr, cb);
252
          }
253
          this._bind_attr(attr, check_attr, cb);
254
        },
255

    
256
        init_proxy_attrs: function() {
257
          _.each(this.proxy_attrs, function(opts, attr){
258
            var cb = opts[1];
259
            _.each(opts[0], function(check_attr){
260
              this._set_proxy_attr(attr, check_attr, cb)
261
            }, this);
262
          }, this);
263
        },
264
        
265
        handle_remove: function() {
266
            if (this.get("status") == 'DELETED') {
267
                if (this.collection) {
268
                    try { this.clear_pending_action();} catch (err) {};
269
                    try { this.reset_pending_actions();} catch (err) {};
270
                    try { this.stop_stats_update();} catch (err) {};
271
                    this.collection.remove(this.id);
272
                }
273
            }
274
        },
275
        
276
        // custom set method to allow submodels to use
277
        // set_<attr> methods for handling the value of each
278
        // attribute and overriding the default set method
279
        // for specific parameters
280
        set: function(params, options) {
281
            _.each(params, _.bind(function(value, key){
282
                if (this["set_" + key]) {
283
                    params[key] = this["set_" + key](value);
284
                }
285
            }, this))
286
            var ret = bb.Model.prototype.set.call(this, params, options);
287
            return ret;
288
        },
289

    
290
        url: function(options) {
291
            return getUrl.call(this, this.base_url) + "/" + this.id;
292
        },
293

    
294
        api_path: function(options) {
295
            return this.path + "/" + this.id;
296
        },
297

    
298
        parse: function(resp, xhr) {
299
        },
300

    
301
        remove: function(complete, error, success) {
302
            this.api_call(this.api_path(), "delete", undefined, complete, error, success);
303
        },
304

    
305
        changedKeys: function() {
306
            return _.keys(this.changedAttributes() || {});
307
        },
308
            
309
        // return list of changed attributes that included in passed list
310
        // argument
311
        getKeysChanged: function(keys) {
312
            return _.intersection(keys, this.changedKeys());
313
        },
314
        
315
        // boolean check of keys changed
316
        keysChanged: function(keys) {
317
            return this.getKeysChanged(keys).length > 0;
318
        },
319

    
320
        // check if any of the passed attribues has changed
321
        hasOnlyChange: function(keys) {
322
            var ret = false;
323
            _.each(keys, _.bind(function(key) {
324
                if (this.changedKeys().length == 1 && this.changedKeys().indexOf(key) > -1) { ret = true};
325
            }, this));
326
            return ret;
327
        }
328

    
329
    })
330
    
331
    // Base object for all our model collections
332
    models.Collection = bb.Collection.extend({
333
        sync: snf.api.sync,
334
        api: snf.api,
335
        api_type: 'compute',
336
        supportIncUpdates: true,
337

    
338
        initialize: function() {
339
            models.Collection.__super__.initialize.apply(this, arguments);
340
            this.api_call = _.bind(this.api.call, this);
341
            if (this.sortFields) {
342
              _.each(this.sortFields, function(f) {
343
                this.bind("change:" + f, _.bind(this.resort, this));
344
              }, this);
345
            }
346
        },
347
          
348
        resort: function() {
349
          this.sort();
350
        },
351

    
352
        url: function(options, method) {
353
            return getUrl.call(this, this.base_url) + (
354
                    options.details || this.details && method != 'create' ? '/detail' : '');
355
        },
356

    
357
        fetch: function(options) {
358
            if (!options) { options = {} };
359
            // default to update
360
            if (!this.noUpdate) {
361
                if (options.update === undefined) { options.update = true };
362
                if (!options.removeMissing && options.refresh) { 
363
                  options.removeMissing = true;
364
                };
365
                // for collections which associated models don't support 
366
                // deleted state identification through attributes, resolve  
367
                // deleted entries by checking for missing objects in fetch 
368
                // responses.
369
                if (this.updateEntries && options.removeMissing === undefined) {
370
                  options.removeMissing = true;
371
                }
372
            } else {
373
                if (options.refresh === undefined) {
374
                    options.refresh = true;
375
                    if (this.updateEntries) {
376
                      options.update = true;
377
                      options.removeMissing = true;
378
                    }
379
                }
380
            }
381
            // custom event foreach fetch
382
            return bb.Collection.prototype.fetch.call(this, options)
383
        },
384

    
385
        create: function(model, options) {
386
            var coll = this;
387
            options || (options = {});
388
            model = this._prepareModel(model, options);
389
            if (!model) return false;
390
            var success = options.success;
391
            options.success = function(nextModel, resp, xhr) {
392
                if (coll.add_on_create) {
393
                  coll.add(nextModel, options);
394
                }
395
                if (success) success(nextModel, resp, xhr);
396
            };
397
            model.save(null, options);
398
            return model;
399
        },
400

    
401
        get_fetcher: function(interval, increase, fast, increase_after_calls, max, initial_call, params) {
402
            var fetch_params = params || {};
403
            var handler_options = {};
404

    
405
            fetch_params.skips_timeouts = true;
406
            handler_options.interval = interval;
407
            handler_options.increase = increase;
408
            handler_options.fast = fast;
409
            handler_options.increase_after_calls = increase_after_calls;
410
            handler_options.max= max;
411
            handler_options.id = "collection id";
412

    
413
            var last_ajax = undefined;
414
            var callback = _.bind(function() {
415
                // clone to avoid referenced objects
416
                var params = _.clone(fetch_params);
417
                updater._ajax = last_ajax;
418
                
419
                // wait for previous request to finish
420
                if (last_ajax && last_ajax.readyState < 4 && last_ajax.statusText != "timeout") {
421
                    // opera readystate for 304 responses is 0
422
                    if (!($.browser.opera && last_ajax.readyState == 0 && last_ajax.status == 304)) {
423
                        return;
424
                    }
425
                }
426
                last_ajax = this.fetch(params);
427
            }, this);
428
            handler_options.callback = callback;
429

    
430
            var updater = new snf.api.updateHandler(_.clone(_.extend(handler_options, fetch_params)));
431
            snf.api.bind("call", _.throttle(_.bind(function(){ updater.faster(true)}, this)), 1000);
432
            return updater;
433
        }
434
    });
435
    
436
    // Image model
437
    models.Image = models.Model.extend({
438
        path: 'images',
439
        
440
        get_size: function() {
441
            return parseInt(this.get('metadata') ? this.get('metadata').size : -1)
442
        },
443

    
444
        get_description: function(escape) {
445
            if (escape == undefined) { escape = true };
446
            if (escape) { return this.escape('description') || "No description available"}
447
            return this.get('description') || "No description available."
448
        },
449

    
450
        get_meta: function(key) {
451
            if (this.get('metadata') && this.get('metadata')) {
452
                if (!this.get('metadata')[key]) { return null }
453
                return _.escape(this.get('metadata')[key]);
454
            } else {
455
                return null;
456
            }
457
        },
458

    
459
        get_meta_keys: function() {
460
            if (this.get('metadata') && this.get('metadata')) {
461
                return _.keys(this.get('metadata'));
462
            } else {
463
                return [];
464
            }
465
        },
466

    
467
        get_owner: function() {
468
            return this.get('owner') || _.keys(synnefo.config.system_images_owners)[0];
469
        },
470

    
471
        get_owner_uuid: function() {
472
            return this.get('owner_uuid');
473
        },
474

    
475
        is_system_image: function() {
476
          var owner = this.get_owner();
477
          return _.include(_.keys(synnefo.config.system_images_owners), owner)
478
        },
479

    
480
        owned_by: function(user) {
481
          if (!user) { user = synnefo.user }
482
          return user.get_username() == this.get('owner_uuid');
483
        },
484

    
485
        display_owner: function() {
486
            var owner = this.get_owner();
487
            if (_.include(_.keys(synnefo.config.system_images_owners), owner)) {
488
                return synnefo.config.system_images_owners[owner];
489
            } else {
490
                return owner;
491
            }
492
        },
493
    
494
        get_readable_size: function() {
495
            if (this.is_deleted()) {
496
                return synnefo.config.image_deleted_size_title || '(none)';
497
            }
498
            return this.get_size() > 0 ? util.readablizeBytes(this.get_size() * 1024 * 1024) : '(none)';
499
        },
500

    
501
        get_os: function() {
502
            return this.get_meta('OS');
503
        },
504

    
505
        get_gui: function() {
506
            return this.get_meta('GUI');
507
        },
508

    
509
        get_created_users: function() {
510
            try {
511
              var users = this.get_meta('users').split(" ");
512
            } catch (err) { users = null }
513
            if (!users) {
514
                var osfamily = this.get_meta('osfamily');
515
                if (osfamily == 'windows') { 
516
                  users = ['Administrator'];
517
                } else {
518
                  users = ['root'];
519
                }
520
            }
521
            return users;
522
        },
523

    
524
        get_sort_order: function() {
525
            return parseInt(this.get('metadata') ? this.get('metadata').sortorder : -1)
526
        },
527

    
528
        get_vm: function() {
529
            var vm_id = this.get("serverRef");
530
            var vm = undefined;
531
            vm = storage.vms.get(vm_id);
532
            return vm;
533
        },
534

    
535
        is_public: function() {
536
            return this.get('is_public') == undefined ? true : this.get('is_public');
537
        },
538

    
539
        is_deleted: function() {
540
            return this.get('status') == "DELETED"
541
        },
542
        
543
        ssh_keys_paths: function() {
544
            return _.map(this.get_created_users(), function(username) {
545
                prepend = '';
546
                if (username != 'root') {
547
                    prepend = '/home'
548
                }
549
                return {'user': username, 'path': '{1}/{0}/.ssh/authorized_keys'.format(username, 
550
                                                             prepend)};
551
            });
552
        },
553

    
554
        _supports_ssh: function() {
555
            var os_list = synnefo.config.support_ssh_os_list;
556
            var osfamily_list = synnefo.config.support_ssh_os_family_list;
557
            
558
            var os = this.get_os();
559
            if (os_list.indexOf(os) > -1) {
560
                return true;
561
            }
562
            
563
            var osfamily = this.get_meta("osfamily");
564
            if (osfamily_list.indexOf(osfamily) > -1) {
565
              return true
566
            }
567

    
568
            return false;
569
        },
570

    
571
        supports: function(feature) {
572
            if (feature == "ssh") {
573
                return this._supports_ssh()
574
            }
575
            return false;
576
        },
577

    
578
        personality_data_for_keys: function(keys) {
579
            return _.map(this.ssh_keys_paths(), function(pathinfo) {
580
                var contents = '';
581
                _.each(keys, function(key){
582
                    contents = contents + key.get("content") + "\n"
583
                });
584
                contents = $.base64.encode(contents);
585

    
586
                return {
587
                    path: pathinfo.path,
588
                    contents: contents,
589
                    mode: 0600,
590
                    owner: pathinfo.user
591
                }
592
            });
593
        }
594
    });
595

    
596
    // Flavor model
597
    models.Flavor = models.Model.extend({
598
        path: 'flavors',
599

    
600
        details_string: function() {
601
            return "{0} CPU, {1}MB, {2}GB".format(this.get('cpu'), this.get('ram'), this.get('disk'));
602
        },
603

    
604
        get_disk_size: function() {
605
            return parseInt(this.get("disk") * 1024)
606
        },
607

    
608
        get_ram_size: function() {
609
            return parseInt(this.get("ram"))
610
        },
611

    
612
        get_disk_template_info: function() {
613
            var info = snf.config.flavors_disk_templates_info[this.get("disk_template")];
614
            if (!info) {
615
                info = { name: this.get("disk_template"), description:'' };
616
            }
617
            return info
618
        },
619

    
620
        disk_to_bytes: function() {
621
            return parseInt(this.get("disk")) * 1024 * 1024 * 1024;
622
        },
623

    
624
        ram_to_bytes: function() {
625
            return parseInt(this.get("ram")) * 1024 * 1024;
626
        },
627

    
628
    });
629
    
630
    models.ParamsList = function(){this.initialize.apply(this, arguments)};
631
    _.extend(models.ParamsList.prototype, bb.Events, {
632

    
633
        initialize: function(parent, param_name) {
634
            this.parent = parent;
635
            this.actions = {};
636
            this.param_name = param_name;
637
            this.length = 0;
638
        },
639
        
640
        has_action: function(action) {
641
            return this.actions[action] ? true : false;
642
        },
643
            
644
        _parse_params: function(arguments) {
645
            if (arguments.length <= 1) {
646
                return [];
647
            }
648

    
649
            var args = _.toArray(arguments);
650
            return args.splice(1);
651
        },
652

    
653
        contains: function(action, params) {
654
            params = this._parse_params(arguments);
655
            var has_action = this.has_action(action);
656
            if (!has_action) { return false };
657

    
658
            var paramsEqual = false;
659
            _.each(this.actions[action], function(action_params) {
660
                if (_.isEqual(action_params, params)) {
661
                    paramsEqual = true;
662
                }
663
            });
664
                
665
            return paramsEqual;
666
        },
667
        
668
        is_empty: function() {
669
            return _.isEmpty(this.actions);
670
        },
671

    
672
        add: function(action, params) {
673
            params = this._parse_params(arguments);
674
            if (this.contains.apply(this, arguments)) { return this };
675
            var isnew = false
676
            if (!this.has_action(action)) {
677
                this.actions[action] = [];
678
                isnew = true;
679
            };
680

    
681
            this.actions[action].push(params);
682
            this.parent.trigger("change:" + this.param_name, this.parent, this);
683
            if (isnew) {
684
                this.trigger("add", action, params);
685
            } else {
686
                this.trigger("change", action, params);
687
            }
688
            return this;
689
        },
690
        
691
        remove_all: function(action) {
692
            if (this.has_action(action)) {
693
                delete this.actions[action];
694
                this.parent.trigger("change:" + this.param_name, this.parent, this);
695
                this.trigger("remove", action);
696
            }
697
            return this;
698
        },
699

    
700
        reset: function() {
701
            this.actions = {};
702
            this.parent.trigger("change:" + this.param_name, this.parent, this);
703
            this.trigger("reset");
704
            this.trigger("remove");
705
        },
706

    
707
        remove: function(action, params) {
708
            params = this._parse_params(arguments);
709
            if (!this.has_action(action)) { return this };
710
            var index = -1;
711
            _.each(this.actions[action], _.bind(function(action_params) {
712
                if (_.isEqual(action_params, params)) {
713
                    index = this.actions[action].indexOf(action_params);
714
                }
715
            }, this));
716
            
717
            if (index > -1) {
718
                this.actions[action].splice(index, 1);
719
                if (_.isEmpty(this.actions[action])) {
720
                    delete this.actions[action];
721
                }
722
                this.parent.trigger("change:" + this.param_name, this.parent, this);
723
                this.trigger("remove", action, params);
724
            }
725
        }
726

    
727
    });
728

    
729
    // Virtualmachine model
730
    models.VM = models.Model.extend({
731

    
732
        path: 'servers',
733
        has_status: true,
734
        proxy_attrs: {
735
          'busy': [
736
            ['status', 'state'], function() {
737
              return !_.contains(['ACTIVE', 'STOPPED'], this.get('status'));
738
            }
739
          ],
740
          'in_progress': [
741
            ['status', 'state'], function() {
742
              return this.in_transition();
743
            }
744
          ]
745
        },
746

    
747
        initialize: function(params) {
748
            var self = this;
749
            this.ports = new Backbone.FilteredCollection(undefined, {
750
              collection: synnefo.storage.ports,
751
              collectionFilter: function(m) {
752
                return self.id == m.get('device_id')
753
            }});
754

    
755
            this.pending_firewalls = {};
756
            
757
            models.VM.__super__.initialize.apply(this, arguments);
758

    
759

    
760
            this.set({state: params.status || "ERROR"});
761
            this.log = new snf.logging.logger("VM " + this.id);
762
            this.pending_action = undefined;
763
            
764
            // init stats parameter
765
            this.set({'stats': undefined}, {silent: true});
766
            // defaults to not update the stats
767
            // each view should handle this vm attribute 
768
            // depending on if it displays stat images or not
769
            this.do_update_stats = false;
770
            
771
            // interval time
772
            // this will dynamicaly change if the server responds that
773
            // images get refreshed on different intervals
774
            this.stats_update_interval = synnefo.config.STATS_INTERVAL || 5000;
775
            this.stats_available = false;
776

    
777
            // initialize interval
778
            this.init_stats_intervals(this.stats_update_interval);
779
            
780
            // handle progress message on instance change
781
            this.bind("change", _.bind(this.update_status_message, this));
782
            this.bind("change:task_state", _.bind(this.update_status, this));
783
            // force update of progress message
784
            this.update_status_message(true);
785
            
786
            // default values
787
            this.bind("change:state", _.bind(function(){
788
                if (this.state() == "DESTROY") { 
789
                    this.handle_destroy() 
790
                }
791
            }, this));
792

    
793
        },
794
        
795
        get_public_ips: function() {
796
          var ips = [];
797
          this.ports.filter(function(port) {
798
            if (port.get('network') && !port.get('network').get('is_public')) { return }
799
            if (!port.get("ips")) { return }
800
            port.get("ips").each(function(ip) {
801
              ips.push(ip);
802
            });
803
          });
804
          return ips;
805
        },
806

    
807
        has_public_ip: function() {
808
          return this.ports.filter(function(port) {
809
            return port.get("network") && 
810
                   port.get("network").get("is_public") && 
811
                   port.get("ips").length > 0;
812
          }).length > 0;
813
        },
814

    
815
        has_public_ipv6: function() {
816
          return this.has_ip_version("v6", true);
817
        },
818

    
819
        has_public_ipv4: function() {
820
          return this.has_ip_version("v4", true);
821
        },
822
        
823
        has_ip_version: function(ver, public) {
824
          var found = false;
825
          this.ports.each(function(port) {
826
            if (found) { return }
827
            if (public !== undefined) {
828
              if (port.get("network") && 
829
                  port.get("network").get("is_public") != public) {
830
                return
831
              }
832
            }
833
            port.get('ips').each(function(ip) {
834
              if (found) { return }
835
              if (ip.get("type") == ver) {
836
                found = true
837
              }
838
            })
839
          }, this)
840
          return found;
841
        },
842

    
843
        status: function(st) {
844
            if (!st) { return this.get("status")}
845
            return this.set({status:st});
846
        },
847
        
848
        update_status: function() {
849
            this.set_status(this.get('status'));
850
        },
851

    
852
        set_status: function(st) {
853
            var new_state = this.state_for_api_status(st);
854
            var transition = false;
855

    
856
            if (this.state() != new_state) {
857
                if (models.VM.STATES_TRANSITIONS[this.state()]) {
858
                    transition = this.state();
859
                }
860
            }
861
            
862
            // call it silently to avoid double change trigger
863
            var state = this.state_for_api_status(st);
864
            this.set({'state': state}, {silent: true});
865
            
866
            // trigger transition
867
            if (transition && models.VM.TRANSITION_STATES.indexOf(new_state) == -1) { 
868
                this.trigger("transition", {from:transition, to:new_state}) 
869
            };
870
            return st;
871
        },
872
            
873
        get_diagnostics: function(success) {
874
            this.__make_api_call(this.get_diagnostics_url(),
875
                                 "read", // create so that sync later uses POST to make the call
876
                                 null, // payload
877
                                 function(data) {
878
                                     success(data);
879
                                 },  
880
                                 null, 'diagnostics');
881
        },
882

    
883
        has_diagnostics: function() {
884
            return this.get("diagnostics") && this.get("diagnostics").length;
885
        },
886

    
887
        get_progress_info: function() {
888
            // details about progress message
889
            // contains a list of diagnostic messages
890
            return this.get("status_messages");
891
        },
892

    
893
        get_status_message: function() {
894
            return this.get('status_message');
895
        },
896
        
897
        // extract status message from diagnostics
898
        status_message_from_diagnostics: function(diagnostics) {
899
            var valid_sources_map = synnefo.config.diagnostics_status_messages_map;
900
            var valid_sources = valid_sources_map[this.get('status')];
901
            if (!valid_sources) { return null };
902
            
903
            // filter messsages based on diagnostic source
904
            var messages = _.filter(diagnostics, function(diag) {
905
                return valid_sources.indexOf(diag.source) > -1;
906
            });
907

    
908
            var msg = messages[0];
909
            if (msg) {
910
              var message = msg.message;
911
              var message_tpl = snf.config.diagnostic_messages_tpls[msg.source];
912

    
913
              if (message_tpl) {
914
                  message = message_tpl.replace('MESSAGE', msg.message);
915
              }
916
              return message;
917
            }
918
            
919
            // no message to display, but vm in build state, display
920
            // finalizing message.
921
            if (this.is_building() == 'BUILD') {
922
                return synnefo.config.BUILDING_MESSAGES['FINAL'];
923
            }
924
            return null;
925
        },
926

    
927
        update_status_message: function(force) {
928
            // update only if one of the specified attributes has changed
929
            if (
930
              !this.keysChanged(['diagnostics', 'progress', 'status', 'state'])
931
                && !force
932
            ) { return };
933
            
934
            // if user requested to destroy the vm set the appropriate 
935
            // message.
936
            if (this.get('state') == "DESTROY") { 
937
                message = "Terminating..."
938
                this.set({status_message: message})
939
                return;
940
            }
941
            
942
            // set error message, if vm has diagnostic message display it as
943
            // progress message
944
            if (this.in_error_state()) {
945
                var d = this.get('diagnostics');
946
                if (d && d.length) {
947
                    var message = this.status_message_from_diagnostics(d);
948
                    this.set({status_message: message});
949
                } else {
950
                    this.set({status_message: null});
951
                }
952
                return;
953
            }
954
            
955
            // identify building status message
956
            if (this.is_building()) {
957
                var self = this;
958
                var success = function(msg) {
959
                    self.set({status_message: msg});
960
                }
961
                this.get_building_status_message(success);
962
                return;
963
            }
964

    
965
            this.set({status_message:null});
966
        },
967
            
968
        // get building status message. Asynchronous function since it requires
969
        // access to vm image.
970
        get_building_status_message: function(callback) {
971
            // no progress is set, vm is in initial build status
972
            var progress = this.get("progress");
973
            if (progress == 0 || !progress) {
974
                return callback(BUILDING_MESSAGES['INIT']);
975
            }
976
            
977
            // vm has copy progress, display copy percentage
978
            if (progress > 0 && progress <= 99) {
979
                this.get_copy_details(true, undefined, _.bind(
980
                    function(details){
981
                        callback(BUILDING_MESSAGES['COPY'].format(details.copy, 
982
                                                           details.size, 
983
                                                           details.progress));
984
                }, this));
985
                return;
986
            }
987

    
988
            // copy finished display FINAL message or identify status message
989
            // from diagnostics.
990
            if (progress >= 100) {
991
                if (!this.has_diagnostics()) {
992
                        callback(BUILDING_MESSAGES['FINAL']);
993
                } else {
994
                        var d = this.get("diagnostics");
995
                        var msg = this.status_message_from_diagnostics(d);
996
                        if (msg) {
997
                              callback(msg);
998
                        }
999
                }
1000
            }
1001
        },
1002

    
1003
        get_copy_details: function(human, image, callback) {
1004
            var human = human || false;
1005
            var image = image || this.get_image(_.bind(function(image){
1006
                var progress = this.get('progress');
1007
                var size = image.get_size();
1008
                var size_copied = (size * progress / 100).toFixed(2);
1009
                
1010
                if (human) {
1011
                    size = util.readablizeBytes(size*1024*1024);
1012
                    size_copied = util.readablizeBytes(size_copied*1024*1024);
1013
                }
1014

    
1015
                callback({'progress': progress, 'size': size, 'copy': size_copied})
1016
            }, this));
1017
        },
1018

    
1019
        start_stats_update: function(force_if_empty) {
1020
            var prev_state = this.do_update_stats;
1021

    
1022
            this.do_update_stats = true;
1023
            
1024
            // fetcher initialized ??
1025
            if (!this.stats_fetcher) {
1026
                this.init_stats_intervals();
1027
            }
1028

    
1029

    
1030
            // fetcher running ???
1031
            if (!this.stats_fetcher.running || !prev_state) {
1032
                this.stats_fetcher.start();
1033
            }
1034

    
1035
            if (force_if_empty && this.get("stats") == undefined) {
1036
                this.update_stats(true);
1037
            }
1038
        },
1039

    
1040
        stop_stats_update: function(stop_calls) {
1041
            this.do_update_stats = false;
1042

    
1043
            if (stop_calls) {
1044
                this.stats_fetcher.stop();
1045
            }
1046
        },
1047

    
1048
        // clear and reinitialize update interval
1049
        init_stats_intervals: function (interval) {
1050
            this.stats_fetcher = this.get_stats_fetcher(this.stats_update_interval);
1051
            this.stats_fetcher.start();
1052
        },
1053
        
1054
        get_stats_fetcher: function(timeout) {
1055
            var cb = _.bind(function(data){
1056
                this.update_stats();
1057
            }, this);
1058
            var fetcher = new snf.api.updateHandler({'callback': cb, interval: timeout, id:'stats'});
1059
            return fetcher;
1060
        },
1061

    
1062
        // do the api call
1063
        update_stats: function(force) {
1064
            // do not update stats if flag not set
1065
            if ((!this.do_update_stats && !force) || this.updating_stats) {
1066
                return;
1067
            }
1068

    
1069
            // make the api call, execute handle_stats_update on sucess
1070
            // TODO: onError handler ???
1071
            stats_url = this.url() + "/stats";
1072
            this.updating_stats = true;
1073
            this.sync("read", this, {
1074
                handles_error:true, 
1075
                url: stats_url, 
1076
                refresh:true, 
1077
                success: _.bind(this.handle_stats_update, this),
1078
                error: _.bind(this.handle_stats_error, this),
1079
                complete: _.bind(function(){this.updating_stats = false;}, this),
1080
                critical: false,
1081
                log_error: false,
1082
                skips_timeouts: true
1083
            });
1084
        },
1085

    
1086
        get_attachment: function(id) {
1087
          var attachment = undefined;
1088
          _.each(this.get("attachments"), function(a) {
1089
            if (a.id == id) {
1090
              attachment = a;
1091
            }
1092
          });
1093
          return attachment
1094
        },
1095

    
1096
        _set_stats: function(stats) {
1097
            var silent = silent === undefined ? false : silent;
1098
            // unavailable stats while building
1099
            if (this.get("status") == "BUILD") { 
1100
                this.stats_available = false;
1101
            } else { this.stats_available = true; }
1102

    
1103
            if (this.get("status") == "DESTROY") { this.stats_available = false; }
1104
            
1105
            this.set({stats: stats}, {silent:true});
1106
            this.trigger("stats:update", stats);
1107
        },
1108

    
1109
        unbind: function() {
1110
            models.VM.__super__.unbind.apply(this, arguments);
1111
        },
1112
        
1113
        can_start: function(flv, count_current) {
1114
          var get_quota = function(key) {
1115
            return synnefo.storage.quotas.get(key).get('available');
1116
          }
1117
          var flavor = flv || this.get_flavor();
1118
          var vm_ram_current = 0, vm_cpu_current = 0;
1119
          if (flv && this.is_active() || flv && count_current) {
1120
            var current = this.get_flavor();
1121
            vm_ram_current = current.ram_to_bytes();
1122
            vm_cpu_current = parseInt(current.get('cpu'));
1123
          }
1124
          var vm_ram = flavor.ram_to_bytes();
1125
          var vm_cpu = parseInt(flavor.get('cpu'));
1126
          var available_cpu = get_quota('cyclades.cpu') + vm_cpu_current;
1127
          var available_ram = get_quota('cyclades.ram') + vm_ram_current;
1128
          if (vm_ram > available_ram || vm_cpu > available_cpu) { return false }
1129
          return true
1130
        },
1131

    
1132
        can_connect: function() {
1133
          if (!synnefo.config.hotplug_enabled && this.is_active()) { return false }
1134
          return _.contains(["ACTIVE", "STOPPED"], this.get("status")) && 
1135
                 !this.get('suspended')
1136
        },
1137

    
1138
        can_disconnect: function() {
1139
          return _.contains(["ACTIVE", "STOPPED"], this.get("status"))
1140
        },
1141

    
1142
        can_resize: function() {
1143
          return this.get('status') == 'STOPPED';
1144
        },
1145

    
1146
        handle_stats_error: function() {
1147
            stats = {};
1148
            _.each(['cpuBar', 'cpuTimeSeries', 'netBar', 'netTimeSeries'], function(k) {
1149
                stats[k] = false;
1150
            });
1151

    
1152
            this.set({'stats': stats});
1153
        },
1154

    
1155
        // this method gets executed after a successful vm stats api call
1156
        handle_stats_update: function(data) {
1157
            var self = this;
1158
            // avoid browser caching
1159
            
1160
            if (data.stats && _.size(data.stats) > 0) {
1161
                var ts = $.now();
1162
                var stats = data.stats;
1163
                var images_loaded = 0;
1164
                var images = {};
1165

    
1166
                function check_images_loaded() {
1167
                    images_loaded++;
1168

    
1169
                    if (images_loaded == 4) {
1170
                        self._set_stats(images);
1171
                    }
1172
                }
1173
                _.each(['cpuBar', 'cpuTimeSeries', 'netBar', 'netTimeSeries'], function(k) {
1174
                    
1175
                    stats[k] = stats[k] + "?_=" + ts;
1176
                    
1177
                    var stat = k.slice(0,3);
1178
                    var type = k.slice(3,6) == "Bar" ? "bar" : "time";
1179
                    var img = $("<img />");
1180
                    var val = stats[k];
1181
                    
1182
                    // load stat image to a temporary dom element
1183
                    // update model stats on image load/error events
1184
                    img.load(function() {
1185
                        images[k] = val;
1186
                        check_images_loaded();
1187
                    });
1188

    
1189
                    img.error(function() {
1190
                        images[stat + type] = false;
1191
                        check_images_loaded();
1192
                    });
1193

    
1194
                    img.attr({'src': stats[k]});
1195
                })
1196
                data.stats = stats;
1197
            }
1198

    
1199
            // do we need to change the interval ??
1200
            if (data.stats.refresh * 1000 != this.stats_update_interval) {
1201
                this.stats_update_interval = data.stats.refresh * 1000;
1202
                this.stats_fetcher.interval = this.stats_update_interval;
1203
                this.stats_fetcher.maximum_interval = this.stats_update_interval;
1204
                this.stats_fetcher.stop();
1205
                this.stats_fetcher.start(false);
1206
            }
1207
        },
1208

    
1209
        // helper method that sets the do_update_stats
1210
        // in the future this method could also make an api call
1211
        // immediaetly if needed
1212
        enable_stats_update: function() {
1213
            this.do_update_stats = true;
1214
        },
1215
        
1216
        handle_destroy: function() {
1217
            this.stats_fetcher.stop();
1218
        },
1219

    
1220
        require_reboot: function() {
1221
            if (this.is_active()) {
1222
                this.set({'reboot_required': true});
1223
            }
1224
        },
1225
        
1226
        set_pending_action: function(data) {
1227
            this.pending_action = data;
1228
            return data;
1229
        },
1230

    
1231
        // machine has pending action
1232
        update_pending_action: function(action, force) {
1233
            this.set({pending_action: action});
1234
        },
1235

    
1236
        clear_pending_action: function() {
1237
            this.set({pending_action: undefined});
1238
        },
1239

    
1240
        has_pending_action: function() {
1241
            return this.get("pending_action") ? this.get("pending_action") : false;
1242
        },
1243
        
1244
        // machine is active
1245
        is_active: function() {
1246
            return models.VM.ACTIVE_STATES.indexOf(this.state()) > -1;
1247
        },
1248
        
1249
        // machine is building 
1250
        is_building: function() {
1251
            return models.VM.BUILDING_STATES.indexOf(this.state()) > -1;
1252
        },
1253
        
1254
        is_rebooting: function() {
1255
            return this.state() == 'REBOOT';
1256
        },
1257

    
1258
        in_error_state: function() {
1259
            return this.state() === "ERROR"
1260
        },
1261

    
1262
        // user can connect to machine
1263
        is_connectable: function() {
1264
            return models.VM.CONNECT_STATES.indexOf(this.state()) > -1;
1265
        },
1266
        
1267
        remove_meta: function(key, complete, error) {
1268
            var url = this.api_path() + "/metadata/" + key;
1269
            this.api_call(url, "delete", undefined, complete, error);
1270
        },
1271

    
1272
        save_meta: function(meta, complete, error) {
1273
            var url = this.api_path() + "/metadata/" + meta.key;
1274
            var payload = {meta:{}};
1275
            payload.meta[meta.key] = meta.value;
1276
            payload._options = {
1277
                critical:false, 
1278
                error_params: {
1279
                    title: "Machine metadata error",
1280
                    extra_details: {"Machine id": this.id}
1281
            }};
1282

    
1283
            this.api_call(url, "update", payload, complete, error);
1284
        },
1285

    
1286

    
1287
        // update/get the state of the machine
1288
        state: function() {
1289
            var args = slice.call(arguments);
1290
                
1291
            if (args.length > 0 && models.VM.STATES.indexOf(args[0]) > -1) {
1292
                this.set({'state': args[0]});
1293
            }
1294

    
1295
            return this.get('state');
1296
        },
1297
        
1298
        // get the state that the api status corresponds to
1299
        state_for_api_status: function(status) {
1300
            return this.state_transition(this.state(), status);
1301
        },
1302
        
1303
        // get transition state for the corresponging api status
1304
        state_transition: function(state, new_status) {
1305
            var statuses = models.VM.STATES_TRANSITIONS[state];
1306
            if (statuses) {
1307
                if (statuses.indexOf(new_status) > -1) {
1308
                    return new_status;
1309
                } else {
1310
                    return state;
1311
                }
1312
            } else {
1313
                return new_status;
1314
            }
1315
        },
1316
        
1317
        // the current vm state is a transition state
1318
        in_transition: function() {
1319
            return models.VM.TRANSITION_STATES.indexOf(this.state()) > -1 || 
1320
                models.VM.TRANSITION_STATES.indexOf(this.get('status')) > -1;
1321
        },
1322
        
1323
        // get image object
1324
        get_image: function(callback) {
1325
            if (callback == undefined) { callback = function(){} }
1326
            var image = storage.images.get(this.get('image'));
1327
            if (!image) {
1328
                storage.images.update_unknown_id(this.get('image'), callback);
1329
                return;
1330
            }
1331
            callback(image);
1332
            return image;
1333
        },
1334
        
1335
        // get flavor object
1336
        get_flavor: function() {
1337
            var flv = storage.flavors.get(this.get('flavor'));
1338
            if (!flv) {
1339
                storage.flavors.update_unknown_id(this.get('flavor'));
1340
                flv = storage.flavors.get(this.get('flavor'));
1341
            }
1342
            return flv;
1343
        },
1344

    
1345
        get_resize_flavors: function() {
1346
          var vm_flavor = this.get_flavor();
1347
          var flavors = synnefo.storage.flavors.filter(function(f){
1348
              return f.get('disk_template') ==
1349
              vm_flavor.get('disk_template') && f.get('disk') ==
1350
              vm_flavor.get('disk');
1351
          });
1352
          return flavors;
1353
        },
1354

    
1355
        get_flavor_quotas: function() {
1356
          var flavor = this.get_flavor();
1357
          return {
1358
            cpu: flavor.get('cpu'), 
1359
            ram: flavor.get_ram_size(), 
1360
            disk:flavor.get_disk_size()
1361
          }
1362
        },
1363

    
1364
        get_meta: function(key, deflt) {
1365
            if (this.get('metadata') && this.get('metadata')) {
1366
                if (!this.get('metadata')[key]) { return deflt }
1367
                return _.escape(this.get('metadata')[key]);
1368
            } else {
1369
                return deflt;
1370
            }
1371
        },
1372

    
1373
        get_meta_keys: function() {
1374
            if (this.get('metadata') && this.get('metadata')) {
1375
                return _.keys(this.get('metadata'));
1376
            } else {
1377
                return [];
1378
            }
1379
        },
1380
        
1381
        // get metadata OS value
1382
        get_os: function() {
1383
            var image = this.get_image();
1384
            return this.get_meta('OS') || (image ? 
1385
                                            image.get_os() || "okeanos" : "okeanos");
1386
        },
1387

    
1388
        get_gui: function() {
1389
            return this.get_meta('GUI');
1390
        },
1391
        
1392
        get_hostname: function() {
1393
          return this.get_meta('hostname') || this.get('fqdn') || synnefo.config.no_fqdn_message;
1394
        },
1395

    
1396
        // get actions that the user can execute
1397
        // depending on the vm state/status
1398
        get_available_actions: function() {
1399
            return models.VM.AVAILABLE_ACTIONS[this.state()];
1400
        },
1401

    
1402
        set_profile: function(profile, net_id) {
1403
        },
1404
        
1405
        // call rename api
1406
        rename: function(new_name) {
1407
            //this.set({'name': new_name});
1408
            this.sync("update", this, {
1409
                critical: true,
1410
                data: {
1411
                    'server': {
1412
                        'name': new_name
1413
                    }
1414
                }, 
1415
                success: _.bind(function(){
1416
                    snf.api.trigger("call");
1417
                }, this)
1418
            });
1419
        },
1420
        
1421
        get_console_url: function(data) {
1422
            var url_params = {
1423
                machine: this.get("name"),
1424
                host_ip: this.get_hostname(),
1425
                host_ip_v6: this.get_hostname(),
1426
                host: data.host,
1427
                port: data.port,
1428
                password: data.password
1429
            }
1430
            return synnefo.config.ui_console_url + '?' + $.param(url_params);
1431
        },
1432
        
1433
        set_firewall: function(nic, value, success_cb, error_cb) {
1434
          var self = this;
1435
          var success = function() { self.require_reboot(); success_cb() }
1436
          var error = function() { error_cb() }
1437
          var data = {'nic': nic.id, 'profile': value, 'display': true};
1438
          var url = this.url() + "/action";
1439
          //var params = {skip_api_error: false, display: true};
1440
          this.call('firewallProfile', success, error, data);
1441
        },
1442

    
1443
        connect_floating_ip: function(ip, cb) {
1444
          this.set({'status': 'CONNECTING'});
1445
          synnefo.storage.ports.create({
1446
            port: {
1447
              network_id: ip.get('floating_network_id'),
1448
              device_id: this.id,
1449
              fixed_ips: [{'ip_address': ip.get('floating_ip_address')}]
1450
            }
1451
          }, {complete: cb, skip_api_error: false})
1452
        },
1453

    
1454
        // action helper
1455
        call: function(action_name, success, error, params) {
1456
            var id_param = [this.id];
1457
            
1458
            params = params || {};
1459
            success = success || function() {};
1460
            error = error || function() {};
1461

    
1462
            var self = this;
1463

    
1464
            switch(action_name) {
1465
                case 'start':
1466
                    this.__make_api_call(this.get_action_url(), // vm actions url
1467
                                         "create", // create so that sync later uses POST to make the call
1468
                                         {start:{}}, // payload
1469
                                         function() {
1470
                                             // set state after successful call
1471
                                             self.state("START"); 
1472
                                             success.apply(this, arguments);
1473
                                             snf.api.trigger("call");
1474
                                         },  
1475
                                         error, 'start', params);
1476
                    break;
1477
                case 'reboot':
1478
                    this.__make_api_call(this.get_action_url(), // vm actions url
1479
                                         "create", // create so that sync later uses POST to make the call
1480
                                         {reboot:{}}, // payload
1481
                                         function() {
1482
                                             // set state after successful call
1483
                                             self.state("REBOOT"); 
1484
                                             success.apply(this, arguments)
1485
                                             snf.api.trigger("call");
1486
                                             self.set({'reboot_required': false});
1487
                                         },
1488
                                         error, 'reboot', params);
1489
                    break;
1490
                case 'shutdown':
1491
                    this.__make_api_call(this.get_action_url(), // vm actions url
1492
                                         "create", // create so that sync later uses POST to make the call
1493
                                         {shutdown:{}}, // payload
1494
                                         function() {
1495
                                             // set state after successful call
1496
                                             self.state("SHUTDOWN"); 
1497
                                             success.apply(this, arguments)
1498
                                             snf.api.trigger("call");
1499
                                         },  
1500
                                         error, 'shutdown', params);
1501
                    break;
1502
                case 'console':
1503
                    this.__make_api_call(this.url() + "/action", "create", 
1504
                                         {'console': {'type':'vnc'}}, 
1505
                                         function(data) {
1506
                        var cons_data = data.console;
1507
                        success.apply(this, [cons_data]);
1508
                    }, undefined, 'console', params)
1509
                    break;
1510
                case 'destroy':
1511
                    this.__make_api_call(this.url(), // vm actions url
1512
                                         "delete", // create so that sync later uses POST to make the call
1513
                                         undefined, // payload
1514
                                         function() {
1515
                                             // set state after successful call
1516
                                             self.state('DESTROY');
1517
                                             success.apply(this, arguments);
1518
                                             synnefo.storage.quotas.get('cyclades.vm').decrease();
1519

    
1520
                                         },  
1521
                                         error, 'destroy', params);
1522
                    break;
1523
                case 'resize':
1524
                    this.__make_api_call(this.get_action_url(), // vm actions url
1525
                                         "create", // create so that sync later uses POST to make the call
1526
                                         {resize: {flavorRef:params.flavor}}, // payload
1527
                                         function() {
1528
                                             self.state('RESIZE');
1529
                                             success.apply(this, arguments);
1530
                                             snf.api.trigger("call");
1531
                                         },  
1532
                                         error, 'resize', params);
1533
                    break;
1534
                case 'destroy':
1535
                    this.__make_api_call(this.url(), // vm actions url
1536
                                         "delete", // create so that sync later uses POST to make the call
1537
                                         undefined, // payload
1538
                                         function() {
1539
                                             // set state after successful call
1540
                                             self.state('DESTROY');
1541
                                             success.apply(this, arguments);
1542
                                             synnefo.storage.quotas.get('cyclades.vm').decrease();
1543

    
1544
                                         },  
1545
                                         error, 'destroy', params);
1546
                    break;
1547
                case 'firewallProfile':
1548
                    this.__make_api_call(this.get_action_url(), // vm actions url
1549
                                         "create",
1550
                                         {firewallProfile:{nic:params.nic, profile:params.profile}}, // payload
1551
                                         function() {
1552
                                             success.apply(this, arguments);
1553
                                             snf.api.trigger("call");
1554
                                         },  
1555
                                         error, 'start', params);
1556
                    break;
1557
                default:
1558
                    throw "Invalid VM action ("+action_name+")";
1559
            }
1560
        },
1561
        
1562
        __make_api_call: function(url, method, data, success, error, action, 
1563
                                  extra_params) {
1564
            var self = this;
1565
            error = error || function(){};
1566
            success = success || function(){};
1567

    
1568
            var params = {
1569
                url: url,
1570
                data: data,
1571
                success: function() { 
1572
                  self.handle_action_succeed.apply(self, arguments); 
1573
                  success.apply(this, arguments)
1574
                },
1575
                error: function() { 
1576
                  self.handle_action_fail.apply(self, arguments);
1577
                  error.apply(this, arguments)
1578
                },
1579
                error_params: { ns: "Machines actions", 
1580
                                title: "'" + this.get("name") + "'" + " " + action + " failed", 
1581
                                extra_details: {
1582
                                  'Machine ID': this.id, 
1583
                                  'URL': url, 
1584
                                  'Action': action || "undefined" },
1585
                                allow_reload: false
1586
                              },
1587
                display: false,
1588
                critical: false
1589
            }
1590
            _.extend(params, extra_params);
1591
            this.sync(method, this, params);
1592
        },
1593

    
1594
        handle_action_succeed: function() {
1595
            this.trigger("action:success", arguments);
1596
        },
1597
        
1598
        reset_action_error: function() {
1599
            this.action_error = false;
1600
            this.trigger("action:fail:reset", this.action_error);
1601
        },
1602

    
1603
        handle_action_fail: function() {
1604
            this.action_error = arguments;
1605
            this.trigger("action:fail", arguments);
1606
        },
1607

    
1608
        get_action_url: function(name) {
1609
            return this.url() + "/action";
1610
        },
1611

    
1612
        get_diagnostics_url: function() {
1613
            return this.url() + "/diagnostics";
1614
        },
1615

    
1616
        get_users: function() {
1617
            var image;
1618
            var users = [];
1619
            try {
1620
              var users = this.get_meta('users').split(" ");
1621
            } catch (err) { users = null }
1622
            if (!users) {
1623
              image = this.get_image();
1624
              if (image) {
1625
                  users = image.get_created_users();
1626
              }
1627
            }
1628
            return users;
1629
        },
1630

    
1631
        get_connection_info: function(host_os, success, error) {
1632
            var url = synnefo.config.ui_connect_url;
1633
            var users = this.get_users();
1634

    
1635
            params = {
1636
                ip_address: this.get_hostname(),
1637
                hostname: this.get_hostname(),
1638
                os: this.get_os(),
1639
                host_os: host_os,
1640
                ports: JSON.stringify(this.get('SNF:port_forwarding') || {}),
1641
                srv: this.id
1642
            }
1643
            
1644
            if (users.length) { 
1645
                params['username'] = _.last(users)
1646
            }
1647

    
1648
            url = url + "?" + $.param(params);
1649

    
1650
            var ajax = snf.api.sync("read", undefined, { url: url, 
1651
                                                         error:error, 
1652
                                                         success:success, 
1653
                                                         handles_error:1});
1654
        }
1655
    });
1656
    
1657
    models.VM.ACTIONS = [
1658
        'start',
1659
        'shutdown',
1660
        'reboot',
1661
        'console',
1662
        'destroy',
1663
        'resize',
1664
        'snapshot'
1665
    ]
1666

    
1667
    models.VM.TASK_STATE_STATUS_MAP = {
1668
      'BULDING': 'BUILD',
1669
      'REBOOTING': 'REBOOT',
1670
      'STOPPING': 'SHUTDOWN',
1671
      'STARTING': 'START',
1672
      'RESIZING': 'RESIZE',
1673
      'CONNECTING': 'CONNECT',
1674
      'DISCONNECTING': 'DISCONNECT',
1675
      'DESTROYING': 'DESTROY'
1676
    }
1677

    
1678
    models.VM.AVAILABLE_ACTIONS = {
1679
        'UNKNWON'       : ['destroy'],
1680
        'BUILD'         : ['destroy'],
1681
        'REBOOT'        : ['destroy'],
1682
        'STOPPED'       : ['start', 'destroy', 'resize', 'snapshot'],
1683
        'ACTIVE'        : ['shutdown', 'destroy', 'reboot', 'console', 'resize', 'snapshot'],
1684
        'ERROR'         : ['destroy'],
1685
        'DELETED'       : ['destroy'],
1686
        'DESTROY'       : ['destroy'],
1687
        'SHUTDOWN'      : ['destroy'],
1688
        'START'         : ['destroy'],
1689
        'CONNECT'       : ['destroy'],
1690
        'DISCONNECT'    : ['destroy'],
1691
        'RESIZE'        : ['destroy']
1692
    }
1693
    
1694
    models.VM.AVAILABLE_ACTIONS_INACTIVE = {}
1695

    
1696
    // api status values
1697
    models.VM.STATUSES = [
1698
        'UNKNWON',
1699
        'BUILD',
1700
        'REBOOT',
1701
        'STOPPED',
1702
        'ACTIVE',
1703
        'ERROR',
1704
        'DELETED',
1705
        'RESIZE'
1706
    ]
1707

    
1708
    // api status values
1709
    models.VM.CONNECT_STATES = [
1710
        'ACTIVE',
1711
        'REBOOT',
1712
        'SHUTDOWN'
1713
    ]
1714

    
1715
    // vm states
1716
    models.VM.STATES = models.VM.STATUSES.concat([
1717
        'DESTROY',
1718
        'SHUTDOWN',
1719
        'START',
1720
        'CONNECT',
1721
        'DISCONNECT',
1722
        'FIREWALL',
1723
        'RESIZE'
1724
    ]);
1725
    
1726
    models.VM.STATES_TRANSITIONS = {
1727
        'DESTROY' : ['DELETED'],
1728
        'SHUTDOWN': ['ERROR', 'STOPPED', 'DESTROY'],
1729
        'STOPPED': ['ERROR', 'ACTIVE', 'DESTROY'],
1730
        'ACTIVE': ['ERROR', 'STOPPED', 'REBOOT', 'SHUTDOWN', 'DESTROY'],
1731
        'START': ['ERROR', 'ACTIVE', 'DESTROY'],
1732
        'REBOOT': ['ERROR', 'ACTIVE', 'STOPPED', 'DESTROY'],
1733
        'BUILD': ['ERROR', 'ACTIVE', 'DESTROY'],
1734
        'RESIZE': ['ERROR', 'STOPPED']
1735
    }
1736

    
1737
    models.VM.TRANSITION_STATES = [
1738
        'DESTROY',
1739
        'SHUTDOWN',
1740
        'START',
1741
        'REBOOT',
1742
        'BUILD',
1743
        'RESIZE',
1744
        'DISCONNECT',
1745
        'CONNECT'
1746
    ]
1747

    
1748
    models.VM.ACTIVE_STATES = [
1749
        'BUILD', 'REBOOT', 'ACTIVE',
1750
        'SHUTDOWN', 'CONNECT', 'DISCONNECT'
1751
    ]
1752

    
1753
    models.VM.BUILDING_STATES = [
1754
        'BUILD'
1755
    ]
1756

    
1757
    models.Images = models.Collection.extend({
1758
        model: models.Image,
1759
        path: 'images',
1760
        details: true,
1761
        noUpdate: true,
1762
        supportIncUpdates: false,
1763
        meta_keys_as_attrs: ["OS", "description", "kernel", "size", "GUI"],
1764
        meta_labels: {},
1765
        read_method: 'read',
1766

    
1767
        // update collection model with id passed
1768
        // making a direct call to the image
1769
        // api url
1770
        update_unknown_id: function(id, callback) {
1771
            var url = getUrl.call(this) + "/" + id;
1772
            this.api_call(this.path + "/" + id, this.read_method, {
1773
              _options:{
1774
                async:true, 
1775
                skip_api_error:true}
1776
              }, undefined, 
1777
            _.bind(function() {
1778
                if (!this.get(id)) {
1779
                            if (this.fallback_service) {
1780
                        // if current service has fallback_service attribute set
1781
                        // use this service to retrieve the missing image model
1782
                        var tmpservice = new this.fallback_service();
1783
                        tmpservice.update_unknown_id(id, _.bind(function(img){
1784
                            img.attributes.status = "DELETED";
1785
                            this.add(img.attributes);
1786
                            callback(this.get(id));
1787
                        }, this));
1788
                    } else {
1789
                        var title = synnefo.config.image_deleted_title || 'Deleted';
1790
                        // else add a dummy DELETED state image entry
1791
                        this.add({id:id, name:title, size:-1, 
1792
                                  progress:100, status:"DELETED"});
1793
                        callback(this.get(id));
1794
                    }   
1795
                } else {
1796
                    callback(this.get(id));
1797
                }
1798
            }, this), _.bind(function(image, msg, xhr) {
1799
                if (!image) {
1800
                    var title = synnefo.config.image_deleted_title || 'Deleted';
1801
                    this.add({id:id, name:title, size:-1, 
1802
                              progress:100, status:"DELETED"});
1803
                    callback(this.get(id));
1804
                    return;
1805
                }
1806
                var img_data = this._read_image_from_request(image, msg, xhr);
1807
                this.add(img_data);
1808
                callback(this.get(id));
1809
            }, this));
1810
        },
1811

    
1812
        _read_image_from_request: function(image, msg, xhr) {
1813
            return image.image;
1814
        },
1815

    
1816
        parse: function (resp, xhr) {
1817
            var parsed = _.map(resp.images, _.bind(this.parse_meta, this));
1818
            parsed = this.fill_owners(parsed);
1819
            return parsed;
1820
        },
1821

    
1822
        fill_owners: function(images) {
1823
            // do translate uuid->displayname if needed
1824
            // store display name in owner attribute for compatibility
1825
            var uuids = [];
1826

    
1827
            var images = _.map(images, function(img, index) {
1828
                if (synnefo.config.translate_uuids) {
1829
                    uuids.push(img['owner']);
1830
                }
1831
                img['owner_uuid'] = img['owner'];
1832
                return img;
1833
            });
1834
            
1835
            if (uuids.length > 0) {
1836
                var handle_results = function(data) {
1837
                    _.each(images, function (img) {
1838
                        img['owner'] = data.uuid_catalog[img['owner_uuid']];
1839
                    });
1840
                }
1841
                // notice the async false
1842
                var uuid_map = this.translate_uuids(uuids, false, 
1843
                                                    handle_results)
1844
            }
1845
            return images;
1846
        },
1847

    
1848
        translate_uuids: function(uuids, async, cb) {
1849
            var url = synnefo.config.user_catalog_url;
1850
            var data = JSON.stringify({'uuids': uuids});
1851
          
1852
            // post to user_catalogs api
1853
            snf.api.sync('create', undefined, {
1854
                url: url,
1855
                data: data,
1856
                async: async,
1857
                success:  cb
1858
            });
1859
        },
1860

    
1861
        get_meta_key: function(img, key) {
1862
            if (img.metadata && img.metadata && img.metadata[key]) {
1863
                return _.escape(img.metadata[key]);
1864
            }
1865
            return undefined;
1866
        },
1867

    
1868
        comparator: function(img) {
1869
            return -img.get_sort_order("sortorder") || 0;
1870
        },
1871

    
1872
        parse_meta: function(img) {
1873
            _.each(this.meta_keys_as_attrs, _.bind(function(key){
1874
                if (img[key]) { return };
1875
                img[key] = this.get_meta_key(img, key) || "";
1876
            }, this));
1877
            return img;
1878
        },
1879

    
1880
        active: function() {
1881
            return this.filter(function(img){return img.get('status') != "DELETED"});
1882
        },
1883

    
1884
        predefined: function() {
1885
            return _.filter(this.active(), function(i) { return !i.get("serverRef")});
1886
        },
1887
        
1888
        fetch_for_type: function(type, complete, error) {
1889
            this.fetch({update:true, 
1890
                        success: complete, 
1891
                        error: error, 
1892
                        skip_api_error: true });
1893
        },
1894
        
1895
        get_images_for_type: function(type) {
1896
            if (this['get_{0}_images'.format(type)]) {
1897
                return this['get_{0}_images'.format(type)]();
1898
            }
1899

    
1900
            return this.active();
1901
        },
1902

    
1903
        update_images_for_type: function(type, onStart, onComplete, onError, force_load) {
1904
            var load = false;
1905
            error = onError || function() {};
1906
            function complete(collection) { 
1907
                onComplete(collection.get_images_for_type(type)); 
1908
            }
1909
            
1910
            // do we need to fetch/update current collection entries
1911
            if (load) {
1912
                onStart();
1913
                this.fetch_for_type(type, complete, error);
1914
            } else {
1915
                // fallback to complete
1916
                complete(this);
1917
            }
1918
        }
1919
    })
1920

    
1921
    models.Flavors = models.Collection.extend({
1922
        model: models.Flavor,
1923
        path: 'flavors',
1924
        details: true,
1925
        noUpdate: true,
1926
        supportIncUpdates: false,
1927
        // update collection model with id passed
1928
        // making a direct call to the flavor
1929
        // api url
1930
        update_unknown_id: function(id, callback) {
1931
            var url = getUrl.call(this) + "/" + id;
1932
            this.api_call(this.path + "/" + id, "read", {_options:{async:false, skip_api_error:true}}, undefined, 
1933
            _.bind(function() {
1934
                this.add({id:id, cpu:"Unknown", ram:"Unknown", disk:"Unknown", name: "Unknown", status:"DELETED"})
1935
            }, this), _.bind(function(flv) {
1936
                if (!flv.flavor.status) { flv.flavor.status = "DELETED" };
1937
                this.add(flv.flavor);
1938
            }, this));
1939
        },
1940

    
1941
        parse: function (resp, xhr) {
1942
            return _.map(resp.flavors, function(o) {
1943
              o.cpu = o['vcpus'];
1944
              o.disk_template = o['SNF:disk_template'];
1945
              return o
1946
            });
1947
        },
1948

    
1949
        comparator: function(flv) {
1950
            return flv.get("disk") * flv.get("cpu") * flv.get("ram");
1951
        },
1952
          
1953
        unavailable_values_for_quotas: function(quotas, flavors, extra) {
1954
            var flavors = flavors || this.active();
1955
            var index = {cpu:[], disk:[], ram:[]};
1956
            var extra = extra == undefined ? {cpu:0, disk:0, ram:0} : extra;
1957
            
1958
            _.each(flavors, function(el) {
1959

    
1960
                var disk_available = quotas['disk'] + extra.disk;
1961
                var disk_size = el.get_disk_size();
1962
                if (index.disk.indexOf(disk_size) == -1) {
1963
                  var disk = el.disk_to_bytes();
1964
                  if (disk > disk_available) {
1965
                    index.disk.push(el.get('disk'));
1966
                  }
1967
                }
1968
                
1969
                var ram_available = quotas['ram'] + extra.ram * 1024 * 1024;
1970
                var ram_size = el.get_ram_size();
1971
                if (index.ram.indexOf(ram_size) == -1) {
1972
                  var ram = el.ram_to_bytes();
1973
                  if (ram > ram_available) {
1974
                    index.ram.push(el.get('ram'))
1975
                  }
1976
                }
1977

    
1978
                var cpu = el.get('cpu');
1979
                var cpu_available = quotas['cpu'] + extra.cpu;
1980
                if (index.cpu.indexOf(cpu) == -1) {
1981
                  if (cpu > cpu_available) {
1982
                    index.cpu.push(el.get('cpu'))
1983
                  }
1984
                }
1985
            });
1986
            return index;
1987
        },
1988

    
1989
        unavailable_values_for_image: function(img, flavors) {
1990
            var flavors = flavors || this.active();
1991
            var size = img.get_size();
1992
            
1993
            var index = {cpu:[], disk:[], ram:[]};
1994

    
1995
            _.each(this.active(), function(el) {
1996
                var img_size = size;
1997
                var flv_size = el.get_disk_size();
1998
                if (flv_size < img_size) {
1999
                    if (index.disk.indexOf(el.get("disk")) == -1) {
2000
                        index.disk.push(el.get("disk"));
2001
                    }
2002
                };
2003
            });
2004
            
2005
            return index;
2006
        },
2007

    
2008
        get_flavor: function(cpu, mem, disk, disk_template, filter_list) {
2009
            if (!filter_list) { filter_list = this.models };
2010
            
2011
            return this.select(function(flv){
2012
                if (flv.get("cpu") == cpu + "" &&
2013
                   flv.get("ram") == mem + "" &&
2014
                   flv.get("disk") == disk + "" &&
2015
                   flv.get("disk_template") == disk_template &&
2016
                   filter_list.indexOf(flv) > -1) { return true; }
2017
            })[0];
2018
        },
2019
        
2020
        get_data: function(lst) {
2021
            var data = {'cpu': [], 'mem':[], 'disk':[], 'disk_template':[]};
2022

    
2023
            _.each(lst, function(flv) {
2024
                if (data.cpu.indexOf(flv.get("cpu")) == -1) {
2025
                    data.cpu.push(flv.get("cpu"));
2026
                }
2027
                if (data.mem.indexOf(flv.get("ram")) == -1) {
2028
                    data.mem.push(flv.get("ram"));
2029
                }
2030
                if (data.disk.indexOf(flv.get("disk")) == -1) {
2031
                    data.disk.push(flv.get("disk"));
2032
                }
2033
                if (data.disk_template.indexOf(flv.get("disk_template")) == -1) {
2034
                    data.disk_template.push(flv.get("disk_template"));
2035
                }
2036
            })
2037
            
2038
            return data;
2039
        },
2040

    
2041
        active: function() {
2042
            return this.filter(function(flv){return flv.get('status') != "DELETED"});
2043
        }
2044
            
2045
    })
2046

    
2047
    models.VMS = models.Collection.extend({
2048
        model: models.VM,
2049
        path: 'servers',
2050
        details: true,
2051
        copy_image_meta: true,
2052

    
2053
        parse: function (resp, xhr) {
2054
            var data = resp;
2055
            if (!resp) { return [] };
2056
            data = _.filter(_.map(resp.servers, 
2057
                                  _.bind(this.parse_vm_api_data, this)), 
2058
                                  function(v){return v});
2059
            return data;
2060
        },
2061

    
2062
        parse_vm_api_data: function(data) {
2063
            // do not add non existing DELETED entries
2064
            if (data.status && data.status == "DELETED") {
2065
                if (!this.get(data.id)) {
2066
                    return false;
2067
                }
2068
            }
2069
            
2070
            if ('SNF:task_state' in data) { 
2071
                data['task_state'] = data['SNF:task_state'];
2072
                if (data['task_state']) {
2073
                    var status = models.VM.TASK_STATE_STATUS_MAP[data['task_state']];
2074
                    if (status) { data['status'] = status }
2075
                }
2076
            }
2077

    
2078
            // OS attribute
2079
            if (this.has_meta(data)) {
2080
                data['OS'] = data.metadata.OS || snf.config.unknown_os;
2081
            }
2082
            
2083
            if (!data.diagnostics) {
2084
                data.diagnostics = [];
2085
            }
2086

    
2087
            // network metadata
2088
            data['firewalls'] = {};
2089
            data['fqdn'] = data['SNF:fqdn'];
2090

    
2091
            // if vm has no metadata, no metadata object
2092
            // is in json response, reset it to force
2093
            // value update
2094
            if (!data['metadata']) {
2095
                data['metadata'] = {};
2096
            }
2097
            
2098
            // v2.0 API returns objects
2099
            data.image_obj = data.image;
2100
            data.image = data.image_obj.id;
2101
            data.flavor_obj = data.flavor;
2102
            data.flavor = data.flavor_obj.id;
2103

    
2104
            return data;
2105
        },
2106

    
2107
        get_reboot_required: function() {
2108
            return this.filter(function(vm){return vm.get("reboot_required") == true})
2109
        },
2110

    
2111
        has_pending_actions: function() {
2112
            return this.filter(function(vm){return vm.pending_action}).length > 0;
2113
        },
2114

    
2115
        reset_pending_actions: function() {
2116
            this.each(function(vm) {
2117
                vm.clear_pending_action();
2118
            })
2119
        },
2120

    
2121
        do_all_pending_actions: function(success, error) {
2122
            this.each(function(vm) {
2123
                if (vm.has_pending_action()) {
2124
                    vm.call(vm.pending_action, success, error);
2125
                    vm.clear_pending_action();
2126
                }
2127
            })
2128
        },
2129
        
2130
        do_all_reboots: function(success, error) {
2131
            this.each(function(vm) {
2132
                if (vm.get("reboot_required")) {
2133
                    vm.call("reboot", success, error);
2134
                }
2135
            });
2136
        },
2137

    
2138
        reset_reboot_required: function() {
2139
            this.each(function(vm) {
2140
                vm.set({'reboot_required': undefined});
2141
            })
2142
        },
2143
        
2144
        stop_stats_update: function(exclude) {
2145
            var exclude = exclude || [];
2146
            this.each(function(vm) {
2147
                if (exclude.indexOf(vm) > -1) {
2148
                    return;
2149
                }
2150
                vm.stop_stats_update();
2151
            })
2152
        },
2153
        
2154
        has_meta: function(vm_data) {
2155
            return vm_data.metadata && vm_data.metadata
2156
        },
2157

    
2158
        has_addresses: function(vm_data) {
2159
            return vm_data.metadata && vm_data.metadata
2160
        },
2161

    
2162
        create: function (name, image, flavor, meta, extra, callback) {
2163

    
2164
            if (this.copy_image_meta) {
2165
                if (synnefo.config.vm_image_common_metadata) {
2166
                    _.each(synnefo.config.vm_image_common_metadata, 
2167
                        function(key){
2168
                            if (image.get_meta(key)) {
2169
                                meta[key] = image.get_meta(key);
2170
                            }
2171
                    });
2172
                }
2173

    
2174
                if (image.get("OS")) {
2175
                    meta['OS'] = image.get("OS");
2176
                }
2177
            }
2178
            
2179
            opts = {name: name, imageRef: image.id, flavorRef: flavor.id, 
2180
                    metadata:meta}
2181
            opts = _.extend(opts, extra);
2182
            
2183
            var cb = function(data) {
2184
              synnefo.storage.quotas.get('cyclades.vm').increase();
2185
              callback(data);
2186
            }
2187

    
2188
            this.api_call(this.path, "create", {'server': opts}, undefined, 
2189
                          undefined, cb, {critical: true});
2190
        },
2191

    
2192
        load_missing_images: function(callback) {
2193
          var missing_ids = [];
2194
          var resolved = 0;
2195

    
2196
          // fill missing_ids
2197
          this.each(function(el) {
2198
            var imgid = el.get("image");
2199
            var existing = synnefo.storage.images.get(imgid);
2200
            if (!existing && missing_ids.indexOf(imgid) == -1) {
2201
              missing_ids.push(imgid);
2202
            }
2203
          });
2204
          var check = function() {
2205
            // once all missing ids where resolved continue calling the 
2206
            // callback
2207
            resolved++;
2208
            if (resolved == missing_ids.length) {
2209
              callback(missing_ids)
2210
            }
2211
          }
2212
          if (missing_ids.length == 0) {
2213
            callback(missing_ids);
2214
            return;
2215
          }
2216
          // start resolving missing image ids
2217
          _(missing_ids).each(function(imgid){
2218
            synnefo.storage.images.update_unknown_id(imgid, check);
2219
          });
2220
        },
2221

    
2222
        get_connectable: function() {
2223
            return storage.vms.filter(function(vm){
2224
                return !vm.in_error_state() && !vm.is_building();
2225
            });
2226
        }
2227
    })
2228
    
2229
    models.PublicKey = models.Model.extend({
2230
        path: 'keys',
2231
        api_type: 'userdata',
2232
        detail: false,
2233
        model_actions: {
2234
          'remove': [['name'], function() {
2235
            return true;
2236
          }]
2237
        },
2238

    
2239
        get_public_key: function() {
2240
            return cryptico.publicKeyFromString(this.get("content"));
2241
        },
2242

    
2243
        get_filename: function() {
2244
            return "{0}.pub".format(this.get("name"));
2245
        },
2246

    
2247
        identify_type: function() {
2248
            try {
2249
                var cont = snf.util.validatePublicKey(this.get("content"));
2250
                var type = cont.split(" ")[0];
2251
                return synnefo.util.publicKeyTypesMap[type];
2252
            } catch (err) { return false };
2253
        },
2254

    
2255
        rename: function(new_name) {
2256
          //this.set({'name': new_name});
2257
          this.sync("update", this, {
2258
            critical: true,
2259
            data: {'name': new_name}, 
2260
            success: _.bind(function(){
2261
              snf.api.trigger("call");
2262
            }, this)
2263
          });
2264
        },
2265

    
2266
        do_remove: function() {
2267
          this.actions.reset_pending();
2268
          this.remove(function() {
2269
            synnefo.storage.keys.fetch();
2270
          });
2271
        }
2272
    })
2273
    
2274
    models._ActionsModel = models.Model.extend({
2275
      defaults: { pending: null },
2276
      actions: [],
2277
      status: {
2278
        INACTIVE: 0,
2279
        PENDING: 1,
2280
        CALLED: 2
2281
      },
2282

    
2283
      initialize: function(attrs, opts) {
2284
        models._ActionsModel.__super__.initialize.call(this, attrs);
2285
        this.actions = opts.actions;
2286
        this.model = opts.model;
2287
        this.bind("change", function() {
2288
          this.set({'pending': this.get_pending()});
2289
        }, this);
2290
        this.clear();
2291
      },
2292
      
2293
      _in_status: function(st) {
2294
        var actions = null;
2295
        _.each(this.attributes, function(status, action){
2296
          if (status == st) {
2297
            if (!actions) {
2298
              actions = []
2299
            }
2300
            actions.push(action);
2301
          }
2302
        });
2303
        return actions;
2304
      },
2305

    
2306
      get_pending: function() {
2307
        return this._in_status(this.status.PENDING);
2308
      },
2309

    
2310
      unset_pending_action: function(action) {
2311
        var data = {};
2312
        data[action] = this.status.INACTIVE;
2313
        this.set(data);
2314
        this.trigger("unset-pending", action);
2315
      },
2316

    
2317
      set_pending_action: function(action, reset_pending) {
2318
        reset_pending = reset_pending === undefined ? true : reset_pending;
2319
        var data = {};
2320
        data[action] = this.status.PENDING;
2321
        if (reset_pending) {
2322
          this.reset_pending();
2323
        }
2324
        this.set(data);
2325
        this.trigger("set-pending", action);
2326
      },
2327
      
2328
      reset_pending: function() {
2329
        var data = {};
2330
        _.each(this.actions, function(action) {
2331
          data[action] = this.status.INACTIVE;
2332
        }, this);
2333
        this.set(data);
2334
        this.trigger("reset-pending");
2335
      }
2336
    });
2337

    
2338
    models.PublicPool = models.Model.extend({});
2339
    models.PublicPools = models.Collection.extend({
2340
      model: models.PublicPool,
2341
      path: 'os-floating-ip-pools',
2342
      api_type: 'compute',
2343
      noUpdate: true,
2344

    
2345
      parse: function(data) {
2346
        return _.map(data.floating_ip_pools, function(pool) {
2347
          pool.id = pool.name;
2348
          return pool;
2349
        });
2350
      }
2351
    });
2352

    
2353
    models.PublicKeys = models.Collection.extend({
2354
        model: models.PublicKey,
2355
        details: false,
2356
        path: 'keys',
2357
        api_type: 'userdata',
2358
        noUpdate: true,
2359
        updateEntries: true,
2360

    
2361
        generate_new: function(success, error) {
2362
            snf.api.sync('create', undefined, {
2363
                url: getUrl.call(this, this.base_url) + "/generate", 
2364
                success: success, 
2365
                error: error,
2366
                skip_api_error: true
2367
            });
2368
        },
2369
        
2370
        add_crypto_key: function(key, success, error, options) {
2371
            var options = options || {};
2372
            var m = new models.PublicKey();
2373

    
2374
            // guess a name
2375
            var name_tpl = "my generated public key";
2376
            var name = name_tpl;
2377
            var name_count = 1;
2378
            
2379
            while(this.filter(function(m){ return m.get("name") == name }).length > 0) {
2380
                name = name_tpl + " " + name_count;
2381
                name_count++;
2382
            }
2383
            
2384
            m.set({name: name});
2385
            m.set({content: key});
2386
            
2387
            options.success = function () { return success(m) };
2388
            options.errror = error;
2389
            options.skip_api_error = true;
2390
            
2391
            this.create(m.attributes, options);
2392
        }
2393
    });
2394

    
2395
  
2396
    models.Quota = models.Model.extend({
2397

    
2398
        initialize: function() {
2399
            models.Quota.__super__.initialize.apply(this, arguments);
2400
            this.bind("change", this.check, this);
2401
            this.check();
2402
        },
2403
        
2404
        check: function() {
2405
            var usage, limit;
2406
            usage = this.get('usage');
2407
            limit = this.get('limit');
2408
            if (usage >= limit) {
2409
                this.trigger("available");
2410
            } else {
2411
                this.trigger("unavailable");
2412
            }
2413
        },
2414

    
2415
        increase: function(val) {
2416
            if (val === undefined) { val = 1};
2417
            this.set({'usage': this.get('usage') + val})
2418
        },
2419

    
2420
        decrease: function(val) {
2421
            if (val === undefined) { val = 1};
2422
            this.set({'usage': this.get('usage') - val})
2423
        },
2424

    
2425
        can_consume: function() {
2426
            var usage, limit;
2427
            usage = this.get('usage');
2428
            limit = this.get('limit');
2429
            if (usage >= limit) {
2430
                return false
2431
            } else {
2432
                return true
2433
            }
2434
        },
2435
        
2436
        is_bytes: function() {
2437
            return this.get('resource').get('unit') == 'bytes';
2438
        },
2439
        
2440
        get_available: function(active) {
2441
            suffix = '';
2442
            if (active) { suffix = '_active'}
2443
            var value = this.get('limit'+suffix) - this.get('usage'+suffix);
2444
            if (active) {
2445
              if (this.get('available') <= value) {
2446
                value = this.get('available');
2447
              }
2448
            }
2449
            if (value < 0) { return value }
2450
            return value
2451
        },
2452

    
2453
        get_readable: function(key, active) {
2454
            var value;
2455
            if (key == 'available') {
2456
                value = this.get_available(active);
2457
            } else {
2458
                value = this.get(key)
2459
            }
2460
            if (value <= 0) { value = 0 }
2461
            // greater than max js int (assume infinite quota)
2462
            if (value > Math.pow(2, 53)) { 
2463
              return "Infinite"
2464
            }
2465

    
2466
            if (!this.is_bytes()) {
2467
              return value + "";
2468
            }
2469
            
2470
            return snf.util.readablizeBytes(value);
2471
        }
2472
    });
2473

    
2474
    models.Quotas = models.Collection.extend({
2475
        model: models.Quota,
2476
        api_type: 'accounts',
2477
        path: 'quotas',
2478
        parse: function(resp) {
2479
            filtered = _.map(resp.system, function(value, key) {
2480
                var available = (value.limit - value.usage) || 0;
2481
                var available_active = available;
2482
                var keysplit = key.split(".");
2483
                var limit_active = value.limit;
2484
                var usage_active = value.usage;
2485
                keysplit[keysplit.length-1] = "total_" + keysplit[keysplit.length-1];
2486
                var activekey = keysplit.join(".");
2487
                var exists = resp.system[activekey];
2488
                if (exists) {
2489
                    available_active = exists.limit - exists.usage;
2490
                    limit_active = exists.limit;
2491
                    usage_active = exists.usage;
2492
                }
2493
                return _.extend(value, {'name': key, 'id': key, 
2494
                          'available': available,
2495
                          'available_active': available_active,
2496
                          'limit_active': limit_active,
2497
                          'usage_active': usage_active,
2498
                          'resource': snf.storage.resources.get(key)});
2499
            });
2500
            return filtered;
2501
        },
2502
        
2503
        get_by_id: function(k) {
2504
          return this.filter(function(q) { return q.get('name') == k})[0]
2505
        },
2506

    
2507
        get_available_for_vm: function(options) {
2508
          var quotas = synnefo.storage.quotas;
2509
          var key = 'available';
2510
          var available_quota = {};
2511
          _.each(['cyclades.ram', 'cyclades.cpu', 'cyclades.disk'], 
2512
            function (key) {
2513
              var value = quotas.get(key).get_available(true);
2514
              available_quota[key.replace('cyclades.', '')] = value;
2515
          });
2516
          return available_quota;
2517
        }
2518
    })
2519

    
2520
    models.Resource = models.Model.extend({
2521
        api_type: 'accounts',
2522
        path: 'resources'
2523
    });
2524

    
2525
    models.Resources = models.Collection.extend({
2526
        api_type: 'accounts',
2527
        path: 'resources',
2528
        model: models.Network,
2529

    
2530
        parse: function(resp) {
2531
            return _.map(resp, function(value, key) {
2532
                return _.extend(value, {'name': key, 'id': key});
2533
            })
2534
        }
2535
    });
2536
    
2537
    // storage initialization
2538
    snf.storage.images = new models.Images();
2539
    snf.storage.flavors = new models.Flavors();
2540
    snf.storage.vms = new models.VMS();
2541
    snf.storage.keys = new models.PublicKeys();
2542
    snf.storage.resources = new models.Resources();
2543
    snf.storage.quotas = new models.Quotas();
2544
    snf.storage.public_pools = new models.PublicPools();
2545

    
2546
})(this);